Pressure cooker



FIG. 1 is a front perspective view of a pressure cooker, featuring the top, front and left sides thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top elevational view thereof; and,

FIG. 7 is a bottom elevational view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM We claim the ornamental design for a pressure cooker, as shown and described. 